Author Archives: Calvin Scoltock

ESXi 5.5 Hosts Not Restoring Storage Paths Following SAN Switch Failure

Posted on March 24, 2014 by Calvin Scoltock

While performing resilience tests for a customer I identified that following the failure of a SAN switch the ESXi hosts did not restore lost storage paths once the SAN switch was brought back into service. The infrastructure in question was … Continue reading →

Posted in Flex System, IBM, Storage, VMware, vSphere, XIV | 2 Comments

I Love PowerCLI!

Posted on March 24, 2014 by Calvin Scoltock

I had a requirement to add an additional virtual hard disk to 50 virtual machines. This was going to be a painful job through the vSphere Client so I resorted to PowerCLI. The virtual machines all had a name starting … Continue reading →

Posted in PowerCLI, Powershell, VMware | Leave a comment

Creating Multiple Virtual Machines with PowerCLI

Posted on March 13, 2014 by Calvin Scoltock

I had a requirement to deploy a number of virtual machines from a template, so decided to do this from PowerShell instead of via the vSphere Client. I was happy for each of the virtual machines to be named with … Continue reading →

Posted in PowerCLI, Powershell, VMware | 2 Comments

VMware Site Recovery Manager 5.1.x Installation

Posted on July 30, 2013 by Calvin Scoltock

While installing VMware Site Recovery Manager 5.1.x I had an issue where the service failed to start with the following error message The setup was as follows: – vCenter Server 5.1 Update 1 on its own server SQL Server 2008 … Continue reading →

Posted in Site Recovery Manager, VMware | Leave a comment

VMware Site Recovery Manager 5.1 and IBM N series (NetApp) SRA

Posted on July 30, 2013 by Calvin Scoltock

I had an issue with VMware Site Recovery Manager 5.1 with the IBM N series SRA and suspect it would be the same with the NetApp SRA. SRM version installed 5.1.1, N series SRA version 2.0.1 installed. When discovering replicated … Continue reading →

Posted in NetApp, Site Recovery Manager, VMware | Leave a comment

Carefully Plan Filer Names and Volume Names when using VMware Site Recovery Manager with NetApp / IBM N series SRA

Posted on July 25, 2013 by Calvin Scoltock

I have been struggling with an issue reprotecting a Protection Group within VMware Site Recovery Manager with the IBM N series (NetApp) Storage Replication Adapter. The first step Configure Storage to Reverse Direction would fail with “Error – Failed to … Continue reading →

Posted in IBM, N series, NetApp, Site Recovery Manager, Storage, VMware | 10 Comments

Upgrading VMware vCenter from v5.1 to v5.1 Update 1 Multi-Site SSO

Posted on May 24, 2013 by Calvin Scoltock

I have recently upgraded a VMware vCenter 5.1 with Multi-Site Single Sign On from version 5.1 to version 5.1 update 1. This is the process I used and some observations. I upgrade one site completely first and left it running … Continue reading →

Posted in Installation, VMware, vSphere | Leave a comment

Warning – vSphere 5 with NetApp NFS Storage

Posted on May 15, 2013 by Calvin Scoltock

For those of you using NetApp, or IBM N series, NFS storage with VMware vSphere 5 or looking to upgrade to vSphere 5 with NetApp NFS storage beware of a NetApp bug causing the ESXi hosts to lose connection to … Continue reading →

Posted in NetApp, Storage, VMware, vSphere | Leave a comment

PowerShell Script to list NetApp LUNs Mapped to Igroups

Posted on November 27, 2011 by Calvin Scoltock

I wanted to get a list of which LUNs on my NetApp filer were mapped to each igroup. This script is not very efficient but it gets the job done in the format I wanted it in. Using Windows PowerShell … Continue reading →

Posted in NetApp, Powershell | 2 Comments

PowerShell Script to report on LUNs mapped to IGroups